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Illumos 5164-5165 - space map fixes

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5164 space_map_max_blksz causes panic, does not work
5165 zdb fails assertion when run on pool with recently-enabled
     space map_histogram feature
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Saso Kiselkov <skiselkov.ml@gmail.com>
Approved by: Dan McDonald <danmcd@omniti.com>

References:
  https://www.illumos.org/issues/5164
  https://www.illumos.org/issues/5165
  https://github.com/illumos/illumos-gate/commit/b1be289

Porting Notes:

The metaslab_fragmentation() hunk was dropped from this patch
because it was already resolved by commit 8b0a084.

The comment modified in metaslab.c was updated to use the correct
variable name, space_map_blksz.  The upstream commit incorrectly
used space_map_blksize.

Ported by: Turbo Fredriksson <turbo@bayour.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2697
This commit is contained in:
Matthew Ahrens
2014-09-13 15:40:05 +02:00
committed by Brian Behlendorf
parent b02fe35d37
commit 9635861742
4 changed files with 45 additions and 110 deletions
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cmd/ztest/ztest.c
+1 -1
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@@ -1025,7 +1025,7 @@ ztest_random_spa_version(uint64_t initial_version)
* Find the largest ashift used
*/
static uint64_t
ztest_spa_get_ashift() {
ztest_spa_get_ashift(void) {
uint64_t i;
uint64_t ashift = SPA_MINBLOCKSHIFT;
vdev_t *rvd = ztest_spa->spa_root_vdev;